Home / 51,538,994.64-71,123,858.28-28,334,516.40

Finding the Fourth Proportional to 51,538,994.64, 71,123,858.28 and 28,334,516.40

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Solution

The fourth proportional to 51,538,994.64, 71,123,858.28 and 28,334,516.40 is: 39,101,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538,994.64 : 71,123,858.28 = 28,334,516.40 : x
  2. Step 2: Convert to fraction form
    51,538,994.64/71,123,858.28 = 28,334,516.40/x
  3. Step 3: Cross multiply
    51,538,994.64x = 71,123,858.28 × 28,334,516.40
  4. Step 4: Simplify right side
    51,538,994.64x = 2,015,260,128,865,935.75
  5. Step 5: Solve for x
    x = 2,015,260,128,865,935.75/51,538,994.64
  6. Step 6: Final answer
    x = 39,101,657.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.